IIE

IIE may stand for:


 * The Independent Institute of Education, South Africa
 * Innovative Interstellar Explorer, a proposed mission to send a probe to the heliopause
 * Institut d'Informatique d'Entreprise, French public Grandes écoles specializing in computer science
 * Institute for International Economics, economics think tank based in Washington, D.C.
 * Institute of Industrial Engineers, world's largest professional society for industrial engineering professionals
 * Institute of International Education, a world leader in the international exchange of people and ideas
 * Institution of Incorporated Engineers, once the UK's largest multidisciplinary engineering association, now part of IET
 * Instituto de Investigaciones Estéticas, art history research institute at Mexico's National Autonomous University (UNAM)
 * The Apple IIe, the third model in Apple's line of Apple II computers